oXmlDOM = function(){
     _fileXml="";
     _aObj=new Object();
     _isLoaded=0;
     _handleOnLoad="";
     _xmlDoc=null;
    }    
    oXmlDOM.prototype ={
        inizialize:function(fileXml,HandleOnLoad){
            alert("oXmlDOM inizialize");           
            if (document.implementation && document.implementation.createDocument){//firefox:
                //alert('sono in firefox');//debug
                xmlDoc = document.implementation.createDocument("", "", null);
                xmlDoc.onload =function(){                     
                     HandleOnLoad.apply(this, a);
                };
            }else{//(window.ActiveXObject)
                alert('sono in IE');
                xmlDoc = new ActiveXObject("MSXML2.DOMDocument");
                xmlDoc.onreadystatechange =function(){
                    if (xmlDoc.readyState == 4) {
                        HandleOnLoad.apply(this, a);
                    }
                    
                };
            }
            
            var a = new Array(xmlDoc);
            for (var j=2; j<arguments.length; j++) {
                a[a.length] = arguments[j];
            }
            xmlDoc.load(fileXml);
                      
            this._xmlDoc=xmlDoc;
        },        
        readXML: function(xmlDoc,item){
           var x = xmlDoc.getElementsByTagName(item);

           this._aObj=x;
           var txt = "";
               for (i=0;i < x.length;i++){
               for (j=0;j < x[i].childNodes.length;j++){
                  if (x[i].childNodes[j].nodeType != 1) continue;
                  //text += x[i].childNodes[j].nodeName + ": " + x[i].childNodes[j].firstChild.nodeValue + "";
                  //alert (arry[x[i].childNodes[j].nodeName]);
                  txt += x[i].childNodes[j].nodeName + ": " + x[i].childNodes[j].firstChild.nodeValue + "";
                 }
               }           
           alert("this.aObj="+this.aObj);

           return txt;
           //alert("this._aObj="+this._aObj);
           //alert('readXML x.length='+x.length);          
        },
        printXML:function(){
           alert(this._aObj);           
           var txt = "";
           for (i=0;i < this._aObj.length;i++){
           for (j=0;j < this._aObj[i].childNodes.length;j++){
              if (this._aObj[i].childNodes[j].nodeType != 1) continue;
              //text += x[i].childNodes[j].nodeName + ": " + x[i].childNodes[j].firstChild.nodeValue + "";
              txt += this._aObj[i].childNodes[j].nodeName + ": " + this._aObj[i].childNodes[j].firstChild.nodeValue + "";
             }
           }
           return (txt=="")?"Null":txt;
        }
    }